we will see lows down to 21 or lower at napa. 23 at santa rosa and fairfield and livermore. down to 24 at morgan hill. upper 20s right around the bay shoreline. that's unusual. and san francisco will have a low of 36 which is very rare. san francisco's temperature will drop below 40. tomorrow sunny skies in the afternoon and the high temperatures in the south bay. 50 in san jose and 49 santa clara and 51 at los gatos. on the peninsula, highs will be around 50 degrees from san mateo to palo alto and chilly on the coast with highs in the upper 40s at half moon bay and pacifica. in and around san francisco look for highs in the upper 40s and the sunset district and daly city, 50 degrees downtown san francisco. on the coast, 46 bodega bay and 48 at stinson beach. 52 inland at santa rosa and napa. 51 at oakland and san leandro and the inland east bay will see highs in the upper 40s, 40 i 8 at -- 48 at fairfield and pleasanton. here is the accu-weather seven-day forecast. certainly in the mornings the temperatures will start to moderate on wednesday and thursday. the clouds will r